Results 71 to 80 of about 40,800 (292)

Photonic Time Crystals and Time‐Varying Electromagnetic Metamatter: A New Direction for Ultrafast Tunable Photonic and Microwave Materials and Devices

open access: yesAdvanced Science, EarlyView.
Photonic time crystals (PTCs) are systems in which electromagnetic parameters are modulated periodically in time, producing momentum bandgaps via temporal scattering rather than spatial Bragg processes. This review examines the theoretical frameworks, modeling, and computational tools for time‐varying media, and summarizes experimental demonstrations ...
Ranjan Kumar Patel   +3 more
wiley   +1 more source

Transport layer and synchronization for smart grid and industrial internet in 5G Networks

open access: yes, 2019
Industrial internet is the main customer for 5G networks. However, mobile networks cannot deliver currently the required reliability and transport infrastructure.
Costa-Requena, Jose   +5 more
core   +1 more source

Business Models in 5G/6G Mobile Communications

open access: yes, 2023
Business models in mobile communication have remained surprisingly stable up to 4G. 5G and beyond generations will bring a fundamental change to how mobile connectivity is deployed and commercialized.
Yrjölä, Seppo   +4 more
core   +1 more source

5G for Military Communications

open access: yesProcedia Computer Science, 2020
Abstract 5G networks are in advanced stages of trials across the globe and the deployment will begin as early as 2020. In this survey paper, the possible use cases of 5G networks in the military context is captured. After the introduction, the various key 5G technologies – mmWave, massive MIMO, HetNets, SDN, NFV, D2D Communication and the challenges ...
openaire   +1 more source

Generation of CCR4/CD7 Bispecific CAR‐T Cells Resistant to Fratricide and Exhaustion

open access: yesAdvanced Science, EarlyView.
The applications of CAR T‐cell therapy in T‐cell malignancies face limitations such as fratricide, effector‐cell exhaustion, and antigen‐escape. Herein, we developed fratricide‐ and exhaustion‐resistant CAR‐T cells that targeted CCR4 and CD7 simultaneously, with optional EGFRt safety switch. Additionally, scRNA‐seq unveiled new molecular targets, which
Sile Li   +10 more
wiley   +1 more source

PriMO-5G: Making firefighting smarter with immersive videos through 5G

open access: yes, 2019
| openaire: EC/H2020/815191/EU//PriMO-5GIn this paper, we introduce PriMO-5G which is an EU-Korea collaboration project studying the use of 5G technologies and unmanned aerial vehicles (UAVs) or drones to enhance the safety and efficiency of firefighting
Sung, Ki Won   +57 more
core   +1 more source

Design and Security Analysis of Quantum Key Distribution Protocol Over Free-Space Optics Using Dual-Threshold Direct-Detection Receiver

open access: yesIEEE Access, 2018
This paper proposes a novel design and analyzes security performance of quantum key distribution (QKD) protocol over free-space optics (FSO). Unlike conventional QKD protocols based on physical characteristics of quantum mechanics, the proposed QKD ...
Phuc V. Trinh   +5 more
doaj   +1 more source

Power Saving Techniques for 5G and Beyond

open access: yesIEEE Access, 2020
Energy efficiency is one of the key performance indicators in 5G New Radio (NR) networks targeted to support diversified use cases including enhanced mobile broadband (eMBB), massive machine type communications (mMTC) and ultra-reliable and low latency ...
Yu-Ngok Ruyue Li   +4 more
doaj   +1 more source

Extracellular Vesicle‐Transferred ATP‐Citrate Lyase Induces Monocyte Differentiation Toward Tumor‐Associated Macrophages and Fuels Hepatocellular Carcinoma Progression

open access: yesAdvanced Science, EarlyView.
Hepatocellular carcinoma (HCC)‐derived extracellular vesicles (EVs) enrich the metabolic enzyme ATP‐citrate lyase (ACLY). EV‐transferred ACLY enhances palmitate biosynthesis, increases the S‐palmitoylation and stability of multiple immune checkpoint proteins, augments the cellular immunosuppressive activity, and ultimately accelerates the malignant ...
Zhijun Liu   +11 more
wiley   +1 more source

Highly Vertically Oriented Graphene Microstrip Pads With Ultrahigh Through‐Plane Thermal Conductivity and Ultralow Compressive Modulus for Efficient Heat Dissipation

open access: yesAdvanced Science, EarlyView.
Vertically aligned graphene microstrip pads (GMPs) break the traditional thermomechanical trade‐off in thermal interface materials. It simultaneously achieves an ultrahigh through‐plane thermal conductivity of 565.92 W m−1 K−1 and an ultralow compressive modulus below 115.16 kPa.
Xu Ran   +7 more
wiley   +1 more source

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